Analysis
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max time kernel
73s -
max time network
44s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
27-07-2021 22:36
Static task
static1
Behavioral task
behavioral1
Sample
bank account details.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
bank account details.exe
Resource
win10v20210410
General
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Target
bank account details.exe
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Size
1.1MB
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MD5
6fa33275b4f3de73faabdd5dc084f0c9
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SHA1
8b624a452820e2949eec05c2e16c6cb0cd685c12
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SHA256
54997c9767d784fc3d566238940f84541c4b614ec794aceeb84d2bb8a4104bf5
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SHA512
3854b0e82dae57b39d4cdbe4f82b044b08c618975878f68e2371e8de7df20c274a67187d1b02b1fcfe0153a195e6884bdba1bd23f55a0f315fe6823bb68cccbf
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.tejoofashions.com - Port:
587 - Username:
it@tejoofashions.com - Password:
OmiCron#2019
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/568-68-0x0000000000400000-0x0000000000466000-memory.dmp family_agenttesla behavioral1/memory/568-69-0x00000000004618AE-mapping.dmp family_agenttesla behavioral1/memory/568-70-0x0000000000400000-0x0000000000466000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
RegSvcs.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\WCPCe = "C:\\Users\\Admin\\AppData\\Roaming\\WCPCe\\WCPCe.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
bank account details.exedescription pid process target process PID 1084 set thread context of 568 1084 bank account details.exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
bank account details.exeRegSvcs.exepid process 1084 bank account details.exe 568 RegSvcs.exe 568 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
bank account details.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 1084 bank account details.exe Token: SeDebugPrivilege 568 RegSvcs.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
bank account details.exedescription pid process target process PID 1084 wrote to memory of 624 1084 bank account details.exe schtasks.exe PID 1084 wrote to memory of 624 1084 bank account details.exe schtasks.exe PID 1084 wrote to memory of 624 1084 bank account details.exe schtasks.exe PID 1084 wrote to memory of 624 1084 bank account details.exe schtasks.exe PID 1084 wrote to memory of 568 1084 bank account details.exe RegSvcs.exe PID 1084 wrote to memory of 568 1084 bank account details.exe RegSvcs.exe PID 1084 wrote to memory of 568 1084 bank account details.exe RegSvcs.exe PID 1084 wrote to memory of 568 1084 bank account details.exe RegSvcs.exe PID 1084 wrote to memory of 568 1084 bank account details.exe RegSvcs.exe PID 1084 wrote to memory of 568 1084 bank account details.exe RegSvcs.exe PID 1084 wrote to memory of 568 1084 bank account details.exe RegSvcs.exe PID 1084 wrote to memory of 568 1084 bank account details.exe RegSvcs.exe PID 1084 wrote to memory of 568 1084 bank account details.exe RegSvcs.exe PID 1084 wrote to memory of 568 1084 bank account details.exe RegSvcs.exe PID 1084 wrote to memory of 568 1084 bank account details.exe RegSvcs.exe PID 1084 wrote to memory of 568 1084 bank account details.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bank account details.exe"C:\Users\Admin\AppData\Local\Temp\bank account details.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ArWDYnLWLZTNbv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4672.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp4672.tmpMD5
8273786c4f07f60faff6eae90676d59c
SHA1365da63b544730037c0d22a9b1a25a53a7153d2c
SHA256e8f9b2b2df32e1234904295fb5f4fe34744a737e7a1d7516ecfa558c653e4e69
SHA512ac24cc5275b7f356122f4e40439e90d38cb9b6ee18fde0dc2d814463018a8fb3a52753865aaa7c7eb83e6972ae47d2584ecea269b4042028fc679c5ccff2d949
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memory/568-70-0x0000000000400000-0x0000000000466000-memory.dmpFilesize
408KB
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memory/568-68-0x0000000000400000-0x0000000000466000-memory.dmpFilesize
408KB
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memory/568-69-0x00000000004618AE-mapping.dmp
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memory/568-72-0x0000000075A31000-0x0000000075A33000-memory.dmpFilesize
8KB
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memory/568-73-0x0000000004E20000-0x0000000004E21000-memory.dmpFilesize
4KB
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memory/568-74-0x0000000004E21000-0x0000000004E22000-memory.dmpFilesize
4KB
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memory/624-66-0x0000000000000000-mapping.dmp
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memory/1084-63-0x0000000000450000-0x0000000000452000-memory.dmpFilesize
8KB
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memory/1084-64-0x0000000005EB0000-0x0000000005F8F000-memory.dmpFilesize
892KB
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memory/1084-65-0x0000000005F90000-0x0000000006033000-memory.dmpFilesize
652KB
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memory/1084-62-0x0000000004F50000-0x0000000004F51000-memory.dmpFilesize
4KB
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memory/1084-60-0x00000000008D0000-0x00000000008D1000-memory.dmpFilesize
4KB